Home WINDOWS HOW-TO Browser extensions warning of websites affected by Heartbleed

Browser extensions warning of websites affected by Heartbleed

Browser extensions warning of websites affected by Heartbleed


Literally two days ago, we informed you about a dangerous Heartbleed bug this poses a serious threat to all websites on the Internet, especially those involved in commercial transactions. By exploiting this error, hackers can infiltrate websites and obtain sensitive information about their users, such as credit card information, personal information, and more.

While major websites and services such as Google, Yahoo, Bing, Microsoft Azure, Office 365, Yammer, Skype have taken steps to protect against this dangerous error, the threat is still great as many websites have not accepted any measures. protective measures and can be targeted.

While web hosts and websites solve this problem, it can actually take a while. Changing passwords to protect yourself from vulnerability is actually a good trick, but the truth is that it may not actually be enough, because if there is a mistake on the site, then it has already leaked into the software used by this website. Therefore, your new password will be available to the hacker as before.

Therefore, changing your password will only be effective if the website you are using has corrected that site.

In this case, the easiest way is to use Browser extensions to protect yourself from websites affected by Heartbleed.

Chromebleed for Chrome Browser

If you are using the Chrome browser, then one of the easiest ways to protect yourself from the Heartbleed Bug is to install the Chromebleed add-on. Once installed, this add-on displays a warning if the site you are viewing is affected by the Heartbleed error.

Chromebleed uses a web service developed by Filippo Valsorda and validates the URL of the page you just loaded. If it is affected by Heartbleed, a Chrome notification will be displayed. Click here to install Chromebleed.

FoxBleed add-on for Firefox

Firefox users can use the FoxBleed add-on, which works in a similar way to Chromebleed. It does this by automatically checking the websites you visit for HeartBleed vulnerabilities and notifying them if they occur.

The verification process is shown below.

  • When you visit the vulnerable website for the first time in your current browser session, a new tab is opened with the corresponding website “http://filippo.io/Heartbleed/#th-site”.
  • Indicates the vulnerability with the filled HeartBleed icon in the lower right corner.
  • Checks each domain name only once per browser session

Heartbleed-Ext add-on for Firefox


Heartbleed-Ext uses a web service developed by Filippo Valsorda and validates the URL of the page it just loaded. If affected, a Firefox notification will be displayed. It’s simple: GREEN = GOOD and RED = BAD.

Heartbleed Notifier and Heartbleed Monitor are some of the other add-ons available for Firefox.


These browser extensions can give false positives. Make sure the website is secure before doing any commercial transactions on the Internet. It might be a good idea to test the website’s functionality before visiting. Just do the Heartbleed test as shown below.


To do the test, visit this site created by Filippo Valsorda. Just enter the URL of the website you want to visit and see the results.

Thanks for reading Dan. Your advice gives us a lot of ideas for such messages.

UPDATE: You can also try the Netcraft extension as it offers Heartbleed and Phishing protection for Opera, Firefox and Chrome browsers.



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